Hifi Preamps for your Record Player

By: skrodahl | May 13, 2019

A very simple, but useful PCB. A power supply for the Muffsy Relay Input Selector (or anything else that can be powered by 5V DC/1A):

Muffsy Input Relay Selector - 5V
Breakout Board for the MeanWell IRM-05-5 PSU

The MeanWell IRM-05-5 takes an AC input between 85 and 265 volts, or a DC input between 120 and 370 volts and converts it to 5 volts DC at a maximum of 1 ampere.

This open source PCB project created in Eagle lets you add input and output cabling, as well as providing mounting holes for the PSU. Download it here:

The project contains the schematic, the board, and the gerber files (and also the .cam file to generate your own gerbers).

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